Index: django/core/meta/__init__.py
===================================================================
--- django/core/meta/__init__.py	(revision 1234)
+++ django/core/meta/__init__.py	(working copy)
@@ -1567,7 +1567,7 @@
         # [('0', {'id': ['940'], 'choice': ['This is the first choice']}),
         #  ('1', {'id': ['941'], 'choice': ['This is the second choice']}),
         #  ('2', {'id': [''], 'choice': ['']})]
-        obj_list = DotExpandedDict(new_data.data)[rel_opts.object_name.lower()].items()
+        obj_list = DotExpandedDict(dict(new_data))[rel_opts.object_name.lower()].items()
         obj_list.sort(lambda x, y: cmp(int(x[0]), int(y[0])))
         params = {}